ST6391,92,93,95,97,99
SERIAL PERIPHERAL INTERFACE (Continued)
Figure 43.Master Transmit to Slave Receiver (Write Mode)
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
MSB
S SLAVE ADDRESS 0 A WORD ADDRESS A
DATA
AP
START
R/W
STOP
Figure 44.Master Reads Slave Immediately After First Byte (read Mode)
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM MASTER
NO ACKNOWLEDGE
FROM MASTER
MSB
S SLAVE ADDRESS 1 A
DATA
MSB
A
DATA
1P
START
R/W
n BYTES
STOP
Figure 45.Master Reads After Setting Slave Register Address (Write Address, Read Data)
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
S
SLAVE ADDRESS
0AX
WORD ADDRESS
AP
START
R/W
STOP
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM MASTER
NO ACKNOWLEDGE
FROM MASTER
MSB
S SLAVE ADDRESS 1 A
DATA
MSB
A
DATA
1P
START
R/W
STOP
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